, this stuff unfortunately does happens sometimes. Question, are they not responding to your texts or phone calls? I'm a little confused as to what is exactly going on. Could it be just a little momentary break before they reach out again? Sometimes people get busy or maybe just need a little "space". If you're not dating, which I don't think you were (it was just the beginning), a few days in between means absolutely nothing with no contact.
In the past I've been in these situations and yes, they're no fun to experience, especially for your confidence. I without doubt learned that many people don't know how to say no, thus, they just say nothing. However, sometimes after reflection, I did realized it was my fault too or I at least I contributed something to the mix.
I get this. When your mojo has been thrown off it's difficult to get back out there again. I think the trick with all of this, although it's easier said then done, is to get to a place where you don't "need" a woman to love yourself and be happy, you just want a woman to make your life more enjoyable and be a companion.
You're not being stupid, just being human. Welcome to the club!